Threaded bore plug



FIG. 1 is a top plan view of a threaded bore plug showing our new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front cross sectional view taken along line 3—3 in the drawing of FIG. 1 thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a back evevational thereof; and,

FIG. 6 is a bottom perspective view thereof. 

The ornamental design for a threaded bore plug, as shown and described. 